1/4"-3/8"ARO type male coupler quick coupler 1.air coupler,air accessory 2.Material: iron,brass,etc, 1/4"-3/8"ARO type male coupler quick coupler P/NLøDL1SWMTXR1002DB147.5ø28.510.5201/4"NPTXR1002DB248ø28.511203/8"NPTXR1002DB351.5ø28.513.5211/2"NPTContact:We will reply your email or fax within 24 hoursYou can call us at any time if there is any question on our production.Our hotline:0086-574- ...